package edu.sctu.practice.class02.liuli.test.test02;

/**
 * Created by Administrator on 2015/10/15.
 */
public class Vehicle {
    double speed;
    String size;

    public void speedUp(int b) {
        System.out.println("加速到" + b);
    }

    public void speedDown(int c) {
        System.out.println("减速到" + c);

    }

}
